Functional Nutrition for IBS and SIBO

A structured plan for symptoms, digestion, and food tolerance

IBS and SIBO can make food feel unpredictable. My goal is to help you understand the pattern, reduce symptom burden, support digestion and motility, and build a diet that becomes more flexible—not smaller and smaller.

Bloating, abdominal pain, constipation, diarrhea, reflux, food reactions, and irregular appetite can arise from overlapping factors. Meal structure, carbohydrate and fiber tolerance, digestive function, motility, stress physiology, previous infections, medications, and treatment history may all matter. I bring those pieces together so the plan is based on your presentation rather than a generic gut protocol.

How I build your care plan

I reconstruct the full timeline: when symptoms began, bowel patterns, foods and portions, past infections, antibiotics, medications, supplements, stressors, travel, testing, and prior diets or antimicrobial plans. If breath, stool, laboratory, or imaging results are available, I interpret them alongside symptoms and response—not as isolated numbers.

I lead the functional nutrition plan by deciding what to prioritize now, what to test only when useful, and how to expand the plan as your tolerance improves.

How I approach IBS and SIBO

Clarify the symptom pattern

IBS with constipation, IBS with diarrhea, mixed bowel patterns, and suspected SIBO do not call for identical strategies. We track stool form and frequency, bloating timing, pain, incomplete evacuation, reflux, nausea, appetite, and whether symptoms occur immediately after eating or build later in the day.

Use food modification strategically

Temporary adjustments in fermentable carbohydrates, fiber, fat, meal size, or food texture may reduce symptoms, but restriction is a tool—not the final destination. I help identify the smallest useful change, maintain nutritional adequacy, and create a deliberate reintroduction process so fear around food does not become part of the problem.

Support digestion and motility

Chewing, meal spacing, stomach and pancreatic function, bile delivery, hydration, movement, constipation, and the migrating motor complex can influence symptoms and recurrence. I look for practical ways to support these functions before assuming the microbiome is the only target.

Account for the gut–brain connection

The nervous system affects pain sensitivity, motility, secretion, appetite, and how the body responds to meals. We may include strategies for sleep, stress regulation, pacing, and predictable meal routines as a real part of digestive care—not as a dismissal of physical symptoms.

Rebuild nourishment and tolerance

Long periods of restriction can reduce fiber diversity, energy intake, and micronutrient adequacy. Once symptoms are more stable, we work toward a wider range of tolerated foods and enough protein, carbohydrate, fat, and total energy to support recovery, strength, and everyday life.

How supplements may fit into your plan

Supplements can be helpful, but sensitive digestive systems often respond poorly to large protocols introduced all at once. I choose broad categories according to bowel pattern, testing, previous responses, medications, and the current phase of care.

• Functional fibers: may support stool form, motility, microbial balance, or treatment response when the type and pace match your tolerance.
• Microbiome support: may include individualized probiotic or prebiotic strategies selected according to symptoms and prior reactions.
• Digestive support: may be considered when the history suggests that food breakdown, meal tolerance, or absorption needs attention.
• Vitamins and minerals: may help correct gaps caused by restricted intake, digestive losses, or laboratory-confirmed needs.
• Botanical or antioxidant support: may be considered when it fits the goals and phase of the plan, including situations where microbial balance or digestive comfort is a priority.
• Hydration and electrolyte support: may be useful with diarrhea, constipation, low intake, exercise, or heat exposure.

I personalize the category, formulation, amount, timing, sequence, and duration. Each addition has a purpose, and we track bloating, pain, bowel habits, energy, and food tolerance before making the next adjustment.

What a personalized plan may include

• A detailed symptom, bowel, food, medication, supplement, and treatment timeline
• An individualized meal structure and fiber strategy
• Temporary food modification with a clear reintroduction pathway
• Support for motility, bowel regularity, digestion, and adequate nourishment
• Interpretation of existing breath, stool, or laboratory testing in context
• A phased supplement plan designed around sensitivity and response
• Practical strategies for the gut–brain axis, sleep, stress, and daily routines

Your path forward

We begin with the most useful steps for your current pattern, then expand the plan as symptoms and tolerance change. Blood in the stool, fever, persistent vomiting, anemia, significant unexplained weight loss, or severe nighttime symptoms require medical evaluation; otherwise, the work remains focused on the functional nutrition plan and the progress we can create through it.